#Visual PDF Diff

Merges two PDF files into one PDF file and highlights their visual differences.

##Usage Give two PDF files as arguments and wait (it may take a few minutes depending on size of files).

./visualpdfdiff.sh left.pdf right.pdf

It creates visual-pdf-diff-result.pdf file in the current folder. Intermediary files are saved in /tmp/visual-pdf-diff/ folder.

##Dependencies Following applications are required:

1. bash, gawk, and cut for scripting,
2. convert for converting PDF files to images and reassembling them again,
3. composite for overlaying images of pages.

You can find them in the imagemagick package (the actual package name is distribution-dependent).

##License Copyright © 2014 Behnam Momeni

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see {http://www.gnu.org/licenses/}.